"delve inside" is correct and usable in written English.
You can use it when you want to describe exploring or examining something in more detail to gain a greater understanding. For example: "I decided to delve inside the source code in order to understand how the program worked."
An apt metaphor for Albanian football during this era is a Russian doll: the further you delve inside, the more mysteries within mysteries you find with nothing ever quite how it first seems.
Like Knight, it's slick and polished on the surface, but delve inside and there's a web of ideas that are intriguing, enigmatic, infuriatingly inventive and crossing over many a medium (a project exploring the sound of clothes, anyone?) Full disclosure: I worked with Knight for the first five years of my career, as fashion director of said website.
Let's delve inside … A good start.
Delve inside to wander down a full-size recreation of a Glasgow street, ride an old subway car and clamber on steam trains.
The touch screen — created by placing two LCD screens together horizontally — allows users to investigate a realistic visualization of 3-D human anatomy and to delve inside the human body.
Thus, under the same rationale that the United States intercepted the phone calls of the country's president, Dilma Rousseff, it had the authority, as a collector of foreign intelligence, to delve inside the company.
The place is a rip-off but it's hard to walk past it without delving inside for a nosey.
Photographer Michael Wolf's series "Real Toy Story" delves inside Hong Kong's toy making factories, exposing the mass production and consumption embedded in the lives of your cuddliest childhood companions.
It delves inside the complex molecules that reside in our cells and convert food into energy.
Delving inside Yannis Philippakis's mind has never felt particularly pleasant.
I see people needing space, needing a connection to their humanity and vulnerability, delving inside the inner landscape.
